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20.21.8.240.0000 Finder Modular relay 1phase switch 1 NO AC 240V
Finder 20.21.8.240.0000 modular step relay with a 240 V AC coil and 16 A single changeover contact configuration for DIN rail mounted switching applications.
£19.50
Why Choose the Finder 20.21.8.240.0000 Modular Step Relay?
The Finder 20.21.8.240.0000 is a compact and reliable modular step relay designed for electrical switching and control applications in residential, commercial and industrial automation systems. As part of the trusted Finder 20 Series, this relay provides dependable pulse-controlled switching for lighting systems and electrical load management.
This step relay is designed to simplify electrical installations by allowing multiple push-button controls to operate connected loads through a reliable mechanical switching mechanism. Its modular DIN rail format enables straightforward integration into electrical distribution boards and automation cabinets.
With a 240 V AC coil supply and a 16 A switching capacity, the Finder 20.21.8.240.0000 is suitable for controlling lighting circuits and other electrical loads where reliable step switching is required. Its compact construction makes it ideal for professional electrical installations with limited panel space.
Key Advantages
- Compact modular step relay for lighting and automation control.
- 16 A contact rating suitable for general electrical switching applications.
- 240 V AC coil voltage for standard mains control systems.
- Reliable pulse-operated switching mechanism.
- 35 mm DIN rail mounting for easy installation.
- Suitable for residential, commercial and industrial electrical systems.
Key Features
- Finder 20 Series modular step relay.
- Single changeover contact configuration.
- 16 A switching current rating.
- 240 V AC coil voltage.
- 250 V AC contact voltage rating.
- DIN rail mounting design for control panels.
- Screw terminal connections for secure wiring.
- Pulse-controlled switching operation.
Reliable Switching for Electrical Control Systems
Step relays such as the Finder 20.21.8.240.0000 provide a practical solution for controlling electrical loads through momentary push-button commands. They are widely used where repeated switching operations are required without the need for complex control equipment.
The Finder 20 Series combines compact modular design with dependable switching performance, helping electricians and automation engineers create efficient control solutions for lighting, building systems and industrial electrical installations.
Typical Applications
- Lighting control systems.
- Electrical distribution boards.
- Building automation installations.
- Industrial control panels.
- Pulse switching applications.
- Commercial electrical systems.
Technical Specifications
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| Device Type | Latching / Impulse Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Mounting Type | DIN rail | |
| Switching Current (A) | 16 A | |
| Coil / Supply Voltage | 240 V AC | |
| Contacts | 1 C/O | |
| IP Rating | IP20 | |
| Manufacturer | Finder | |
| Series | 20 Series | |
| Model | 20.21.8.240.0000 | |
| Product type | Modular step relay | |
| Contact configuration | 1 changeover contact | |
| Coil voltage | 240 V AC | |
| Contact current | 16 A | |
| Contact voltage | 250 V AC | |
| Mounting type | 35 mm DIN rail mounting | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 |
Frequently Asked Questions
What is the Finder 20.21.8.240.0000 used for?
This modular step relay is used for pulse-controlled switching of electrical loads in lighting, building automation and industrial control applications.
What coil voltage does this relay require?
The Finder 20.21.8.240.0000 operates with a 240 V AC coil supply.
What is the switching capacity of this relay?
The relay supports a maximum switching current of 16 A.
How is the relay installed?
The relay is designed for installation on a standard 35 mm DIN rail inside electrical cabinets and distribution boards.
What contact configuration does this relay have?
The Finder 20.21.8.240.0000 features one changeover contact for flexible electrical switching applications.
Trusted by Electrical Engineers Worldwide
Finder 20 Series modular relays are widely used by electrical professionals to provide reliable switching, compact installation and dependable control in modern electrical systems.
